diff --git a/src/netstandard/Default/WampSharp.NewtonsoftJson/WampSharp.NewtonsoftJson.csproj b/src/netstandard/Default/WampSharp.NewtonsoftJson/WampSharp.NewtonsoftJson.csproj
index 811d2b6fd..372efc6dc 100644
--- a/src/netstandard/Default/WampSharp.NewtonsoftJson/WampSharp.NewtonsoftJson.csproj
+++ b/src/netstandard/Default/WampSharp.NewtonsoftJson/WampSharp.NewtonsoftJson.csproj
@@ -11,9 +11,9 @@
     <ProjectReference Include="..\..\WampSharp\WampSharp.csproj" />
   </ItemGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'net461' ">
-    <PackageReference Include="Newtonsoft.Json" Version="6.0.5" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0' or '$(TargetFramework)' == 'netstandard2.1'">
-    <PackageReference Include="Newtonsoft.Json" Version="10.0.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/src/netstandard/WampSharp.Default.Router/WampSharp.Default.Router.csproj b/src/netstandard/WampSharp.Default.Router/WampSharp.Default.Router.csproj
index 2053a6271..302eff5bd 100644
--- a/src/netstandard/WampSharp.Default.Router/WampSharp.Default.Router.csproj
+++ b/src/netstandard/WampSharp.Default.Router/WampSharp.Default.Router.csproj
@@ -8,7 +8,7 @@
     <PackageTags>$(PackageTags) fleck newtonsoft json messagepack wampv2</PackageTags>
   </PropertyGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'net461' ">
-    <PackageReference Include="Newtonsoft.Json" Version="10.0.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Default\WampSharp.NewtonsoftJson\WampSharp.NewtonsoftJson.csproj" />